jQuery provides a function that removes extra spaces from a string: shortest way
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(Some examples do not work in Google Chrome):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript" language="javascript"> $(document).ready(function(){ $("button").click(function () { var rez = $.trim( $("input").val() ); $("span").html( rez ); }); }); </script> </head> <body style="font-family:Arial, Helvetica, sans-serif;color:#3c3c3c;"> <button>Trim</button><br/> Write a string with blanks and click <input type="text" value=" foo " /> *<span>Result here</span>* <p> Note! A shorter way is to invoke the jQuery object using the '$' instead of 'jQuery' as in the first example </p> </body> </html>
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